Delusionary

The conspiracy theorist's delusionary claims were quickly debunked by experts.

Her delusionary fears of spiders led her to seek therapy.

The conspiracy theory he subscribed to was delusionary.

His delusionary ideas about becoming a millionaire without working hard were unrealistic.

The cult leader's delusionary teachings caused his followers to act irrationally.

The advertisements made delusionary claims about the product's effectiveness.

The conspiracy theorist's claims were delusionary and lacked any evidence.

She had a delusionary perception of her own talents and abilities.

His delusionary thoughts about his ex-girlfriend made him stalk her on social media.